/*
 * Copyright 2017 Huawei Technologies Co., Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.servicecomb.config.archaius.sources;

import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;

import com.netflix.config.PollResult;
import com.netflix.config.PolledConfigurationSource;

import io.servicecomb.config.ConfigMapping;
import io.servicecomb.config.YAMLUtil;

public class MicroserviceConfigurationSource implements PolledConfigurationSource {
  private final List<ConfigModel> configModels;

  public MicroserviceConfigurationSource(List<ConfigModel> configModels) {
    this.configModels = configModels;
  }

  public List<ConfigModel> getConfigModels() {
    return configModels;
  }

  public PollResult poll(boolean b, Object o) throws Exception {
    Map<String, Object> configurations = new LinkedHashMap<String, Object>();

    for (ConfigModel configModel : configModels) {
      configurations.putAll(YAMLUtil.retrieveItems("", configModel.getConfig()));
    }

    configurations = ConfigMapping.getConvertedMap(configurations);
    return PollResult.createFull(configurations);
  }
}
